| Token Ring Alarms |
Token Errors | The threshold of errors requiring the management |
| station (while acting as the active monitor) to transmit a |
| token onto the monitored ring before it issues an alarm. |
| The default value is 10. |
Claim Token | The number of times that a claim token can be released |
| by ring stations within the given time base before an |
| alarm is triggered. A claim token is released by a ring |
| station when it detects that the active monitor is absent |
| or malfunctioning. Stations receiving the claim token will |
| participate in the monitor contention process to |
| determine a new active monitor. The default value is 5. |
Lost Frame | The number of lost frames that the management station |
| transmits onto the monitored ring before triggering an |
| alarm. Lost frames are frames that do not return before |
| the management station’s Timer Return to Repeat (TRR) |
| timer expires. These can be caused by stations entering or |
| leaving the ring during frame transmission. The default |
| value is 10. |
Frame Count | The number of frames that can be transmitted on the ring |
| within the time base before the alarm limit is reached. |
| For a network running at 16 Mbits/sec, the default value |
| is 33,890. This number represents the maximum |
| bandwidth used by 64 byte frames transmitted over the |
| network during the default 10 second alarm time base. |
| For a network running at 4 Mbits/sec, the default value |
| is 18,920 (of 64 byte frames). |
Beacon | The number of beacons that can be detected on the ring |
| within the time base before the alarm limit is reached. A |
| station transmits a beacon when its monitor contention |
| timer expires, indicating that an Active Monitor could |
| not be elected. Beaconing provides a method for the |
| beaconing station and its NAUN to check their lobe |
| wiring and to begin the monitor contention process if |
| necessary. The default value is 1. |
Ring-Level Station Alarms
When you set a